LG G6 H872 - Manual (Page 61)

Basic Functions 60
Do not disturb
You can limit or mute notifications to avoid disturbances for a specific
period of time.
1 Tap Settings Sound & notification Do not disturb and then
tap to activate it.
2 Tap Sounds and vibrations and select the mode you want:
• Priority only: Receive sound or vibrate notifications for the selected
apps. Even when Priority only is turned on, alarms still sound.
• Total silence: Disable both the sound and vibration.